//
//  LoginView.swift
//
//  Copyright (c) 2016-present, LY Corporation. All rights reserved.
//
//  You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
//  copy and distribute this software in source code or binary form for use
//  in connection with the web services and APIs provided by LY Corporation.
//
//  As with any software that integrates with the LY Corporation platform, your use of this software
//  is subject to the LINE Developers Agreement [http://terms2.line.me/LINE_Developers_Agreement].
//  This copyright notice shall be included in all copies or substantial portions of the software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
//  INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
//  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
//  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

import LineSDK
import SwiftUI

struct LoginView: View {
    @EnvironmentObject var authorizationStore: AuthorizationStore

    @AlertItem
    var presentedLoginError: LineSDKError?

    @AlertItem
    var presentedLoginResult: LoginResult?

    var body: some View {
        ZStack {
            LineLoginButton()
                .onLoginStart {}
                .onLoginSuccess { result in
                    presentedLoginResult = result
                }
                .onLoginFail { error in
                    presentedLoginError = error
                }
        }
        .navigationBarTitle("Login", displayMode: .inline)
        .alert(
            "Success", isPresented: $presentedLoginResult, presenting: presentedLoginResult
        ) { _ in
            Button("OK") { authorizationStore.isAuthorized = true }
        } message: {
            Text(verbatim: "\($0)")
        }
        .alert(
            "Error", isPresented: $presentedLoginError, presenting: presentedLoginError
        ) { _ in

        } message: {
            Text($0.localizedDescription)
        }
    }
}
